package com.jinrustar.op.core.util;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

/**
 * Created by William on 2017/03/07. liduanwei1988@gmail.com
 */
public class SystemUtil {


    //通过截取cmd流方式得到计算机的配置信息(不好)
    public static String exec(String readerCharset, String... commands) throws UnsupportedEncodingException {
        Process p;
        try {
            p = new ProcessBuilder(commands).start();
        } catch (Exception e) {
            return "";
        }
        StringBuffer sb = new StringBuffer();
        //读取进程输出值
        InputStream inputStream = p.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, readerCharset));
        String s;
        try {
            while ((s = br.readLine()) != null) {
                sb.append(s + "\n");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }

    public static void getIpconfig() {
        Map<String, String> map = System.getenv();
        System.out.println(map.get("USERNAME"));//获取用户名
        System.out.println(map.get("COMPUTERNAME"));//获取计算机名
        System.out.println(map.get("USERDOMAIN"));//获取计算机域名
    }


    /*本机公网ip*/
    private static String publicIP;

    //得到计算机的ip地址和mac地址
    public static Map getConfig() {
        try {
//            InetAddress address = InetAddress.getLocalHost();
//            NetworkInterface ni = NetworkInterface.getByInetAddress(address);
            //ni.getInetAddresses().nextElement().getAddress();
//            byte[] mac = ni.getHardwareAddress();

//            String sIP = address.getHostAddress();

//            String sMAC = "";
//            Formatter formatter = new Formatter();
//            for (int i = 0; i < mac.length; i++) {
//                sMAC = formatter.format(Locale.getDefault(), "%02X%s", mac[i], (i < mac.length - 1) ? "-" : "").toString();
//            }


            Properties props = System.getProperties();
            String osName = props.getProperty("os.name");
            String osVersion = props.getProperty("os.version");


            Map map = new HashMap();
            if (publicIP == null) {
                publicIP = exec("UTF8", "curl", "icanhazip.com");
            }
            map.put("ip", publicIP);
//            map.put("MAC", sMAC);
            map.put("os.name", osName);
            map.put("os.version", osVersion);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

    //得到计算机的ip,名称,操作系统名称,操作系统版本
    public static Map config() {
        try {
            InetAddress addr = InetAddress.getLocalHost();
            String ip = addr.getHostAddress(); //获取本机ip
            String hostName = addr.getHostName(); //获取本机计算机名称
            Properties props = System.getProperties();

            String osName = props.getProperty("os.name");
            String osVersion = props.getProperty("os.version");

            Map map = new HashMap();
            map.put("ip", ip);
            map.put("hostName", hostName);
            map.put("os.name", osName);
            map.put("os.version", osVersion);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    //java环境
    public static void all() {
        Properties props = System.getProperties();
        System.out.println("Java的运行环境版本：" + props.getProperty("java.version"));
        System.out.println("Java的运行环境供应商：" + props.getProperty("java.vendor"));
        System.out.println("Java供应商的URL：" + props.getProperty("java.vendor.url"));
        System.out.println("Java的安装路径：" + props.getProperty("java.home"));
        System.out.println("Java的虚拟机规范版本：" + props.getProperty("java.vm.specification.version"));
        System.out.println("Java的虚拟机规范供应商：" + props.getProperty("java.vm.specification.vendor"));
        System.out.println("Java的虚拟机规范名称：" + props.getProperty("java.vm.specification.name"));
        System.out.println("Java的虚拟机实现版本：" + props.getProperty("java.vm.version"));
        System.out.println("Java的虚拟机实现供应商：" + props.getProperty("java.vm.vendor"));
        System.out.println("Java的虚拟机实现名称：" + props.getProperty("java.vm.name"));
        System.out.println("Java运行时环境规范版本：" + props.getProperty("java.specification.version"));
        System.out.println("Java运行时环境规范供应商：" + props.getProperty("java.specification.vender"));
        System.out.println("Java运行时环境规范名称：" + props.getProperty("java.specification.name"));
        System.out.println("Java的类格式版本号：" + props.getProperty("java.class.version"));
        System.out.println("Java的类路径：" + props.getProperty("java.class.path"));
        System.out.println("加载库时搜索的路径列表：" + props.getProperty("java.library.path"));
        System.out.println("默认的临时文件路径：" + props.getProperty("java.io.tmpdir"));
        System.out.println("一个或多个扩展目录的路径：" + props.getProperty("java.ext.dirs"));
        System.out.println("操作系统的名称：" + props.getProperty("os.name"));
        System.out.println("操作系统的构架：" + props.getProperty("os.arch"));
        System.out.println("操作系统的版本：" + props.getProperty("os.version"));
        System.out.println("文件分隔符：" + props.getProperty("file.separator"));//在 unix 系统中是＂／＂ System.out.println("路径分隔符："+props.getProperty("path.separator"));//在 unix 系统中是＂:＂ System.out.println("行分隔符："+props.getProperty("line.separator"));//在 unix 系统中是＂/n＂ System.out.println("用户的账户名称："+props.getProperty("user.name"));
        System.out.println("用户的主目录：" + props.getProperty("user.home"));
        System.out.println("用户的当前工作目录：" + props.getProperty("user.dir"));
    }

    public static String getMachineInfo() {
        String result = "";
        Properties prop;
        prop = System.getProperties();
        result += prop.getProperty("os.name") + "|";
        result += prop.getProperty("os.arch") + "|";
        result += prop.getProperty("java.vm.name") + "|";
        result += prop.getProperty("java.home") + "|";
        result += prop.getProperty("user.home") + "|";
        result += prop.getProperty("user.name") + "|";
        result = result.trim();
        return result;
    }
}
